Async Server not Working

[misterjice]

olol rpc-server --host 0.0.0.0 --port 50052 --ollama-host http://localhost:11434 --async
usage: olol [-h] {server,proxy,client,rpc-server,dist,version} ...
olol: error: unrecognized arguments: --async

AND

olol server --host 0.0.0.0 --port 50052 --ollama-host http://localhost:11434 --async
Traceback (most recent call last):
File "", line 198, in run_module_as_main
File "", line 88, in run_code
File "C:\Users*\miniconda3\envs\olol-env\Scripts\olol.exe_main.py", line 7, in
File "C:\Users*\olol\src\olol_main.py", line 227, in main
asyncio.run(async_main(args))
File "C:\Users*\miniconda3\envs\olol-env\Lib\asyncio\runners.py", line 194, in run
return runner.run(main)
^^^^^^^^^^^^^^^^
File "C:\Users*\miniconda3\envs\olol-env\Lib\asyncio\runners.py", line 118, in run
return self.loop.run_until_complete(task)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users*\miniconda3\envs\olol-env\Lib\asyncio\base_events.py", line 687, in run_until_complete
return future.result()
^^^^^^^^^^^^^^^
File "C:\Users*\olol\src\olol_main.py", line 115, in async_main
await async_server()
File "C:\Users*\olol\src\olol\async_impl\server.py", line 285, in serve
server = await start_server()
^^^^^^^^^^^^^^^^^^^^
File "C:\Users*\olol\src\olol\async_impl\server.py", line 276, in start_server
server = Server([service])
^^^^^^^^^^^^^^^^^
File "C:\Users*\miniconda3\envs\olol-env\Lib\site-packages\grpclib\server.py", line 602, in init
mapping.update(handler.mapping())
^^^^^^^^^^^^^^^^^^^
AttributeError: 'AsyncOllamaService' object has no attribute 'mapping'